Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual episódio apresentou o empresário Richard Ernest?
 ###Tabelas: CREATE TABLE series_11 (series_11_id AUTO_INCREMENT PRIMARY KEY, Episode VARCHAR, First aired VARCHAR, Entrepreneur(s) VARCHAR, Company or product name VARCHAR, Money requested (£) VARCHAR, Investing Dragon(s) VARCHAR) CREATE TABLE 1832–1885 (1832–1885_id AUTO_INCREMENT PRIMARY KEY, Election INT, First member VARCHAR, First party VARCHAR, Second member VARCHAR, Second party VARCHAR, Third member VARCHAR, Third party VARCHAR) CREATE TABLE house_of_rohan-chabot (house_of_rohan-chabot_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Birth VARCHAR, Marriage VARCHAR, Became Duke VARCHAR, Ceased to be Duke VARCHAR, Death VARCHAR, Spouse VARCHAR) CREATE TABLE week_10 (week_10_id AUTO_INCREMENT PRIMARY KEY, Couple VARCHAR, Score VARCHAR, Style VARCHAR, Music VARCHAR, Result VARCHAR) CREATE TABLE w109 (w109_id AUTO_INCREMENT PRIMARY KEY, Model VARCHAR, Chassis code VARCHAR, Production time VARCHAR, Number built INT, Engine VARCHAR)  
SELECT First aired FROM series_11 WHERE Entrepreneur(s) = richard ernest